Recent Articles

Open access

ISSN: 2950-6018

Post-disaster investigation and WRF model reconstruction of April 27th tornado in Guangzhou based on muti-source data fusion

This research investigates the Guangzhou "4·27" tornado event through the integration of multi-source data, including Unmanned Aerial Vehicle (UAV) imagery and ground-based damage surveys. A total of...

An analytical downburst model and its application to a moving train wind loading

For the first time, a simple analytical model of a downburst has been developed that correctly reproduces the shape of the radial velocity close to the ground, i.e., in a region applicable to trains...

A novel aeroelastic test rig for large-amplitude, 3-DOF vibration testing of slender structures at arbitrary wind attack angles

Conventional spring-suspension techniques of section-model wind tunnel tests have inherent limitations, including stiffness misalignment with the model’s principal axes, strong mechanical nonlinearity...

Geometry-Driven Variations of the Horseshoe Vortex and Its Impact on Windward Wall Loads of Low-Rise Buildings

This paper examines how geometric parameters influence windward-wall pressures of low-rise buildings by analyzing the effects of the mean roof height-to-breadth ratio (h/B) and roof slope (θ) on the...

Stabilizing bridge cross-sections against flutter by allowing their distortion

This article proposes a novel concept to mitigate aeroelastic flutter in long-span bridges by allowing the distortion of their cross-section. Specifically, a twin-box bridge deck cross-section, where...

Assessing Risks and Opportunities for Offshore Wind Energy under Evolving Tropical Cyclone Hazards

This study presents a simulation-based framework for assessing offshore wind turbine failure risks and potential benefits from conceivable increased power generation during tropical cyclones. Using...

Critical wind speed for loose laid aggregate scour on flat roofs with parapets

A series of large-scale wind tunnel tests were conducted to measure the critical velocities at which gravel removal occurs from flat rooftops. Results are presented for a range of parapet heights and...

Bayesian Rational Function Models for Aerodynamic Derivatives of Parametrized Bridge Decks

A Bayesian surrogate-modeling framework based on Gaussian process regression is presented for predicting frequency-dependent aerodynamic derivatives of parametrized bridge decks from limited experimental...

A Hybrid Physics-Informed Graph Neural Network for Tornado Wind-Field Modeling

The accurate prediction of tornado wind fields is paramount for the wind-resistant design of critical infrastructure. Analytical models offer a computationally efficient and physically grounded foundation...

An overview of modeling tropical cyclone boundary layer (TCBL): From meteorological perspectives to wind engineering applications

Extreme winds generated by tropical cyclones (TCs) cause significant global losses, and accurate tropical cyclone boundary layer (TCBL) modeling is essential for hazard assessment and performance-based...

Study on liquid film dynamics and aerodynamic characteristics of train-bridge system under wind-rain interaction effects using Eulerian-Lagrangian approach

This study investigated liquid film dynamics and aerodynamic performances of a high-speed train on bridges in rainy conditions using Eulerian-Lagrangian approach. The effects of rainfall intensity and...

Structural vibration characteristics of offshore wind turbines under tropical cyclones

Offshore wind turbines (OWTs) promise the exploitation of abundant Aeolian resources in marine regions but are prone to natural hazards, e.g., tropical cyclones. With the growing development of OWTs...

Explore generation mechanisms of unsteady large-amplitude wind-induced response in stay cables by delayed detached eddy simulation

The generation mechanisms of unsteady large-amplitude wind-induced vibrations in bridge stay cables under no precipitation condition are numerically studied through simulations of flow around a circular...

A probabilistic framework for estimating roof panel failure in low-rise buildings subjected to tornado loads

This study develops a probabilistic risk assessment framework for evaluating the vulnerability of low-rise buildings subjected to tornado-induced wind loads. The framework integrates aerodynamic loads...

Feasible deck erection schedules of long-span suspension bridges considering flutter safety

This paper proposes a method of conducting flutter safety inspections for suspension bridges during deck erection stages. Historical extreme wind speed data spanning 30 years (1983–2012) from six regions...

Evaluating community-level tornado losses and the cost–benefit of enhanced residential building codes: A case study of Moore, Oklahoma

On May 20, 2013, the Moore tornado devastated over 1000 residential buildings in the city. To reduce future tornado-related losses, 12 modifications to residential building codes were proposed and adopted...

The impact of climate change on typhoon-induced dynamic response of transmission tower-line system: A case study in Hong Kong

The impact of typhoon wind loads on electric transmission networks is becoming increasingly significant, often leading to the failure of overhead transmission tower-line systems. This study aims to...

Impact of loose-laid gravel on the pressure distribution over a flat roof

A series of large-scale wind tunnel tests were conducted to quantify the impact of loose-laid gravel on the pressure distribution over a flat roof. Measurements were presented for the pressure distribution...

Study of rectangular 5:1 cylinder vortex-induced vibration based on the mode decomposition method

Vortex-induced vibration (VIV) is a complicated fluid-solid coupling phenomenon. VIV of rectangular section has attracted considerable investigation because its aerodynamic properties provide useful...

Mitigating wind loads on PV panels via Savonius turbines: A numerical investigation

Photovoltaic (PV) panels are highly susceptible to damage under high wind loads. Research on effective measures to mitigate wind loads on PV panels remains limited. Conventional methods typically employ...

Vortex-induced vibration control of bridge decks using energy dissipative devices: A review of recent developments

This paper presents a comprehensive and up-to-date review of energy dissipative devices for controlling vortex-induced vibrations (VIV) in bridge decks, covering passive, active, and semi-active control...

Understanding the relationship between structural failure and fatalities in Tornadoes: A quantitative investigation of the 2021 Midwest Tornado Outbreak

During 1950-2011, the number of fatalities caused by tornadoes in the U.S. significantly exceeded the fatalities caused by both hurricanes and earthquakes. To reduce tornado induced fatalities, it is...

Measurements of shear stress distribution over a flat roof as a function of parapet height, wind direction, and roof roughness

A series of first-of-their-kind large-scale wind tunnel tests was conducted to measure the surface shear stress distribution on a flat roof of a square-plan building. Data were collected for a broad...

Wind tunnel tests of autorotation of plate: The effects of tilt angle, chamfer form, and mass eccentricity

Windborne debris is one of the main factors that damage building structures in typhoon-prone areas, and plate-type debris is more common and concerning. Wind tunnel tests were conducted to study the...

Validating debris flight model in highly turbulent boundary layer flows using wind tunnel testing

Windborne debris impact can cause building envelope damage during windstorms, and hence it is crucial to study debris flight behavior in turbulent wind fields for improving building resilience in urban...

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